Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| Korea F3, Singles Qualifying | 2018/06/17 04:30 | Kang, Ku Keon v Kim, Hyeong Don | 4-6,6-1,4-6 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Kim, Hyeong Don v Kim, A-Ram | 6-3,6-0 |
| ITF Korea F2 | 2018/06/11 09:20 | Kim, Hyeong Don v Chiu, Yu Hsiang | 3-6,5-7 |
| ITF Korea F2 | 2018/06/09 03:00 | Kim, Hyeong Don v Kim, A-Ram | 6-2,6-1 |
| ITF Korea F1 | 2018/06/04 01:00 | Jeong, Young-Hoon v Kim, Hyeong Don | 6-2,7-5 |
| ITF Korea F1 | 2018/06/02 03:30 | Kim, Hyeong Don v Shin, Eun Chong | 6-2,6-0 |
| Turkey F6, Singles Qualifying | 2018/02/10 09:00 | Kim, Hyeong Don v Apostol, Andrei Stefan | 2-6,2-6 |
| ITF Turkey F5 | 2018/02/04 07:30 | Nikita Mashtakov v Kim, Hyeong Don | 6-1,7-5 |
| Korea F3, Singles Qualifying | 2018/06/17 04:30 | Han, Seong Jae v Kwon, OH-Hee | 4-6,1-6 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Jung, Ki-Su v Kwon, OH-Hee | 0-6,1-6 |
| ITF Korea F1 | 2018/06/04 02:20 | Kwon, OH-Hee v Adamson, Alec | 5-7,4-6 |
| ITF Guam F1 | 2017/06/22 01:30 | Moritani, Soichiro v Kwon, OH-Hee | 6-2,2-6,6-3 |
| ITF Guam F1 | 2017/06/21 02:15 | Kishi, Ryota v Kwon, OH-Hee | 5-7,2-6 |
| ITF Japan F8 | 2017/06/14 01:00 | Sho Shimabukuro v Kwon, OH-Hee | 7-6,0-6,7-6 |
| ITF Korea F2 | 2017/06/07 04:20 | Kwon, OH-Hee v Choi, Seungri | 6-0,6-1 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Kwon, OH-Hee v Kim, Min Gyeom | 6-0,6-1 |